Fruits and vegetables inside bottles are grown by placing a bottle around the blossom or young fruit and securing it to the plant. The fruit then grows to full size inside the bottle.

  • mipadaitu@lemmy.world
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    2 months ago

    Didn’t you read the summary? They put a juvenile penny in the jar and it grew inside until mature.

      • Tyoda@lemm.ee
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        2 months ago

        Nowadays the most common way is to just buy Greg’s Instant Penny Powder, mix that with water inside the jar, and let it sit for 24 hours.

        • bizarroland@fedia.io
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          2 months ago

          Just don’t make the mistake that I did and copper plate your balls. The packaging is remarkably similar.